CPU126-2Q/CPU126-2R

order number

UN126-2AD23-0XB8

UN126-2BD23-0XB8

physical properties

Dimensions (W*H*D)

196 x 80 x 62 mm

Power consumption

10W

17W

Power characteristics

Rated voltage

DC 24V

AC 220V

Input voltage

DC 20.4 to 28.8V

AC 85 to 264V

Input Current

100mA (CPU only, at 24VDC)

60/30mA (CPU only, 120/240VAC)

electric shock

12A at 28.8V DC

20A at 264V AC

Insurance

3A 250V slow melting

3A 250V slow melting

sensor voltage

L + minus 5V

20.4 to 28.8VDC

sensor current

300mA (max)

300mA (max)

Ripple noise

from input power

Less than 1V peak fraction

Memory characteristics

program memory

24K

data storage

10K

General Features

Total number of timers

256 in total, 4 1ms, 16 10ms, 236 100ms

Total number of counters

256

time interruption

2 1ms resolution

edge interrupt

4 rising edges/4 falling edges

Analog potentiometer

not support

Real Time Clock

Supported, 50 hours/typ. (minimum 8 hours at 40°C) after power down

Card Options

memory card, battery card

Power-down retention

Supported ( data retention up to 10 years )

Serial communication function

interface

2 RS-485 standard PPI communication ports

Support Freeport and MODBUS communication

Communication baud rate

PPI: 9.6, 19.2, 187.5kbps three baud rates

Free port: 1.2kbps～115.2kbps

Maximum length of each cable

With isolated interruption relays: 187.5kbps up to 1000 meters, 38.4kbps up to 1200 meters, 50 meters without isolated repeaters

Maximum number of sites

32 stations per segment, 126 stations per network

Maximum number of master stations

32

PPI master mode

support

I/O characteristics

Local digital input

24 inputs

Local digital output

16 outputs

Local analog input

none

Local analog output

none

Digital I/O Image Area

256 ( 128 in / 128 out)

Analog I/O image area

64 ( 32 in / 32 out)

Maximum allowable expansion I/O modules

7 modules

Digital Input Characteristics

The number of digital input points integrated in the machine

24 inputs

input type

PNP/NPN

Rated voltage

24VDC，4mA

Maximum continuous allowable voltage

30V DC

surge voltage

35VDC, 0.5 seconds

logic 1 [minimum]

15VDC 2.5mA

logic 0[max]

5VDC 1mA

input filter

1-13ms

Allowable leakage current [max]

1mA

isolation

is opto-isolated

Optical isolation

500VAC for 1 minute

high-speed counter

Single-phase 20K[2 pieces]

AB phase 10K[1]

Digital output characteristics

Local integrated digital output points

16 outputs

output type

Solid State - MOSFET

dry contact

Rated voltage

24VDC

24VDC or 250VAC

voltage range

20.4～28.8VDC

5～30VDC 5～250VAC

Inrush current (max)

8A，100ms

5A 4s 10% duty cycle

logic 1 (minimum)

20VDC (at maximum current)

-

logic 0 (max)

0.1VDC, 10KΩ load

-

Rated current per point (max)

0.75A

2A

Current rating per common (max)

6A

10A

Leakage current [max]

10uA

-

Lamp load [max]

5W

30W DC/200W AC

Inductive clamping voltage

L+ minus 48VDC 1W power consumption

-

On-resistance [contact]

0.3Ω typical (0.6Ω max)

0.2Ω (max when new)

Pulse frequency [max]

20kHz 2 [Q0.0 Q0.1]

1Hz

mechanical life cycle

-

10000000 (no load)

Contact life

-

100000 (rated load)

Two outputs in parallel

Yes, only when outputting the same group

no

Environmental parameters

Working temperature

0°C to +60°C (horizontal installation), 0°C to +40°C (vertical installation)

Transport ambient temperature

-20℃～＋80℃

Ambient relative humidity

5 to 95%, non-condensing (RH class 2, in accordance with IEC61131-2)

Electromagnetic Compatibility

Noise suppression, in accordance with IEC61000-6-2

Mechanical class (vibration)

IEC60068,Part2-6/10up58Hz

Protection class

IP20